Grac·kle n. Zool. (a) One of several American blackbirds, of the family Icteridæ; as, the rusty grackle (Scolecophagus Carolinus); the boat-tailed grackle (see Boat-tail); the purple grackle (Quiscalus quiscula, or Q. versicolor). See Crow blackbird, under Crow. (b) An Asiatic bird of the genus Gracula. See Myna.
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